Global Earthquake Summary: December 30, 2025
On December 30, 2025, a series of earthquakes occurred globally. The data reveals details about their magnitude, locations, and the overall seismic activity during this period. Here’s a summary of the significant events.
Global Earthquake Summary: December 30, 2025
Overall Earthquake Activity
In the 24 hours leading to December 31, 2025, there were:
- 5 earthquakes of magnitude 5.0 or higher
- 32 earthquakes with magnitudes of 4.0 or higher
- 134 earthquakes measuring 3.0 or above
- 376 tremors registering at 2.0 and above
This results in a total of 547 earthquakes reported, with no seismic activities reaching magnitude 6.0 or higher. The estimated total seismic energy released was approximately 3.6 x 1013 joules, equivalent to 9.98 gigawatt hours or 0.5 atomic bombs.
Notable Earthquakes on December 30, 2025
The following were the ten largest earthquakes recorded on December 30, 2025:
| Magnitude | Location | Distance | Date and Time | Time Zone |
|---|---|---|---|---|
| 5.5 | East China Sea | 24 km southwest of Isen, Kagoshima-ken, Japan | December 30, 2025 | GMT +9 |
| 5.3 | Departamento de Chuquisaca | 75 km northeast of Villamontes, Bolivia | December 30, 2025 | La Paz time |
| 5.1 | Solomon Sea | 93 km south of Arawa, Bougainville, Papua New Guinea | December 30, 2025 | GMT +10 |
| 5.1 | 97 km north of Yakutat | Alaska | December 30, 2025 | Whitehorse time |
| 5.0 | Mid-Indian Ridge | December 30, 2025 | GMT +6 | |
| 4.9 | Celebes Sea, Sulawesi Utara | 85 km north of Gorontalo, Indonesia | December 31, 2025 | GMT +8 |
| 4.8 | North Pacific Ocean | 73 km west of Ostrov Beringa Island, Kamchatka, Russia | December 31, 2025 | Kamchatka time |
| 4.8 | North Pacific Ocean | 113 km east of Miyako, Iwate, Japan | December 31, 2025 | GMT +10 |
| 4.8 | North Pacific Ocean | 59 km east of Miyako, Iwate, Japan | December 31, 2025 | GMT +10 |
| 4.7 | Kabupaten Bener Meriah | 65 km southwest of Lhokseumawe, Indonesia | December 30, 2025 | Jakarta time |
Most Felt Earthquakes
Several earthquakes were felt widely, with reports indicating:
- Magnitude 4.0 near San Jose, Costa Rica – 39 reports.
- Magnitude 5.5 in the East China Sea – 27 reports.
- Magnitude 3.5 in Maharashtra, India – 13 reports.
- Magnitude 4.2 near Kalibo, Philippines – 13 reports.
- Magnitude 3.2 in Barbados – 12 reports.
The significant seismic events on December 30, 2025, illustrate the ongoing geological activity affecting various regions worldwide. Monitoring these events is crucial for public safety and preparedness efforts.
